Ben Brown tells Mia Malan about his experience of using a pill that reduces his chances of HIV infection.
TB is not only found in the lungs. You can get TB anywhere in your body, but it is very difficult to diagnose.
About 80% of people have the TB germ inside their bodies, but that doesn't mean they will all develop the disease.
Only half of people with multidrug resistant TB are cured, and patients run a high risk of losing their hearing due to the drugs.
Are people with diabetes more likely to get TB? Dr Bart Willems says yes.
Where did the Zika virus come from, and just how closely linked to microcephaly is it? SA's National Institute for Communicable Diseases explains all.